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Location: Seven Kings
(51.5667°N, 0.1000°E)
Time: 20:19:39

Close Encounter Details

Primary satelliteSecondary satellite
NameEnvisatIRIDIUM 33 DEB
Spacetrack catalog number2738635618
Radar cross sectionlargesmall
Epoch of two-line elements (UTC)2021 Sep 17 10:522021 Sep 17 09:08
Time of closest approach (UTC)2021 Aug 07 20:56:31.595
Minimum distance2.762 km
Height difference2.666 km
Relative speed12.282 km/s
Angle between velocity vectors111°
Geographic position81.8°N, 155.3°W
Height779 km